package com.dcd.service;

import com.dcd.pojo.Brand;

import java.util.List;

public interface BrandService {

    /**
     * 查询前32个热门品牌/根据指定首写字母查询
     * @return
     */
    List<Brand> select_popularity_brand(String brand_first_letter,String whether_only_on_sale);

    /**
     * 查询指定品牌信息
     * @param brand_id
     * @return
     */
    Brand select_brand_mess_by_id(int brand_id);

    /**
     * 查询所有品牌(购车计算)
     * @return
     */
    List<Brand> select_brandAll();


}
